/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: Hua YY
 * Date: 2024-11-08
 * Time: 11:07
 */
import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        int n = in.nextInt() , m = in.nextInt() , q = in.nextInt();

        //arr数组
        long[][] arr = new long[n+1][m+1];
        for(int i = 1 ; i <= n ; i++){
            for(int j = 1 ; j <= m ; j++){
                arr[i][j] = in.nextInt();
            }
        }

        //copy创建一个dp数组

        long[][] dp = new long[n+1][m+1];
        for(int i = 1 ; i <= n ; i++){
            for(int j = 1 ; j <= m ; j++){
                dp[i][j] = dp[i-1][j] + dp[i][j-1] - dp[i-1][j-1] + arr[i][j];
            }
        }

        while(q > 0){
            int x1 = in.nextInt() , y1 = in.nextInt() , x2 = in.nextInt() , y2 = in.nextInt();
            long result = dp[x2][y2] - dp[x2][y1-1] - dp[x1-1][y2] + dp[x1-1][y1-1];
            System.out.println(result);
            q--;
        }
    }
}
public class Test2 {

}
